CN206669731U - A kind of premixed high-speed jet burner - Google Patents

A kind of premixed high-speed jet burner Download PDF

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Publication number
CN206669731U
CN206669731U CN201720068057.4U CN201720068057U CN206669731U CN 206669731 U CN206669731 U CN 206669731U CN 201720068057 U CN201720068057 U CN 201720068057U CN 206669731 U CN206669731 U CN 206669731U
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China
Prior art keywords
burner block
burner
air
venturi tube
venturi
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CN201720068057.4U
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Chinese (zh)
Inventor
刘彬
郭祖会
熊小辉
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Xuzhou Combustion Control Research Institute Co., Ltd.
XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD.
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Xuzhou Kerong Environmental Resources Co Ltd
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Priority to CN201720068057.4U priority Critical patent/CN206669731U/en
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Abstract

It the utility model is related to Industrial Stoves apparatus field,Specifically,It is a kind of premixed high-speed jet burner,Including burner block,Venturi tube and air elbow three parts,Burner block is connected to one end of Venturi tube,The other end of Venturi tube is connected to air elbow,The surface of the connecting portion of Venturi tube and burner block is provided with igniter,Igniter is embedded in Venturi tube and burner block,One end that igniter is stretched into burner block is connected with steady fire-fighting head,Venturi tube is divided into venturi mixing section and mixing chamber,Venturi mixing section is connected with burner block,Mixing chamber is connected with air elbow,The side wall of mixing chamber is provided with fuel gas inlet,Air elbow uses " L " shape structure design,One end of air elbow is connected to mixing chamber,The other end of air elbow opens wide be used as air intake downwards,The utility model has flame intensity height,Strong interference immunity,Flame heat transfer efficiency is high,Material speed is fast,Energy-conservation,The advantages that environmentally friendly.

Description

A kind of premixed high-speed jet burner
Technical field
Industrial Stoves apparatus field is the utility model is related to, is a kind of premixed high-speed jet burner specifically.
Background technology
Part is useless at present, miscellaneous metal recovery Industrial Stoves, to reach fast melt material, energy-saving, it is desirable to flame is short, Penetrability is strong, temperature is high, and so as to develop a kind of premixed high-speed jet burner, the burner is with using air as combustion-supporting Jie Matter, but flame intensity, form and gas-welding flame compare favourably, and can strengthen gas stream in the stove disturbance, improve heat transfer efficiency, and then save drop Consumption.
Utility model content
In order to adapt to part is useless, the quick heated material of miscellaneous metal recovery Industrial Stoves, energy-saving actual demand, this reality A kind of premixed high-speed jet burner is provided with new.The burner is using fuel gas as fuel, and air is as combustion-supporting Jie Matter, fuel gas are completed premixing with air in burner mixing chamber, by the high-tension ignition electrode ignition built in burner, burnt Mouth spout front end forms thermal-flame.
The technical solution adopted in the utility model is specific as follows:
A kind of premixed high-speed jet burner, including burner block, Venturi tube and air elbow three parts, burner block connect One end of Venturi tube is connected to, the other end of Venturi tube is connected to the connecting portion of air elbow, Venturi tube and burner block Surface be provided with igniter, in igniter insertion Venturi tube and burner block, igniter stretch into burner block one End is connected with steady fire-fighting head, and Venturi tube is divided into venturi mixing section and mixing chamber, and venturi mixing section is connected with burner block, mixes Air chamber is connected with air elbow, and the side wall of mixing chamber is provided with fuel gas inlet, and air elbow uses " L " shape structure design, air One end of elbow is connected to mixing chamber, and the other end of air elbow, which opens wide downwards, is used as air intake.
In the technical program, combustion gas enters burner with combustion air by distinct interface, is realized in burner internal Premix, mixing chamber realize that combustion gas mixes with the uniform of air, and structure is cylinder type labyrinth type venturi mixing section to mixed airflow Steady fire-fighting head is further sent into after speed-raising to be sufficiently mixed in the realization of burner mixing chamber, is further improved by venturi mixing section Gas mixing flow velocity enters burner tip, and mixed gas air velocity at shower nozzle reaches 180m/s, and air-flow is in burner block Stable flame is formed under accumulation of heat.
Further improvement of the utility model, the both sides up and down of burner block are provided with two water jackets of positional symmetry, water jacket Interior cooling water circulation carries out cooling down to burner block high temperature position, extends the service life of whole burner.
Further improvement of the utility model, the bent portion of air elbow are provided with peep hole, are provided with peep hole Ultraviolet fire inspection device, the connection between ultraviolet fire inspection device and peep hole use dismountable connected mode, and so, peep hole removes It can observe outside furnace flame combustion case, when passage of flame occurs blocking in metalliferous material in stove, ultraviolet fire is examined Under device dismounting, oxygen rifle can be inserted into burner front end by peep hole and carry out burning oxygen dredging.
Further improvement of the utility model, burner block angle of flare α are 3 °, and it is 1 that can so cause excess air coefficient, NO caused by the burning substantially reduced while energy-conservationx
Further improvement of the utility model, steady fire-fighting head have a trench structure, build combustion circumfluence but also are point Thermoelectricity pole provides negative pole, and steady fire-fighting head provides safeguard together with burner block for the flame holding of burner, it is ensured that premixed height Rapid fire stream burner still keeps the stable burning of flame under 180m/s mixed airflow speed.
Further improvement of the utility model, fuel gas inlet play limit with being provided with current limliting porous plate at air intake The effect of stream, the ratio being so easy between the control combustion air and fuel gas entered in burner.
Connection between the venturi mixing section of further improvement of the utility model, burner block and Venturi tube uses spiral shell Tether and connect, the connection between the mixing chamber and air elbow of Venturi tube is connected by screw bolts, the company between water jacket and burner block Connect and be connected by screw bolts.
The beneficial effects of the utility model:The mixing high-speed jet burner that the utility model discloses is relative to normal air Booster burners(30-50m/s mixed airflow speed)For have flame intensity height, strong interference immunity, flame heat transfer efficiency The advantages that height, material speed are fast, energy-saving and environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1- burner blocks, 2- water jackets, 3- igniters, the steady fire-fighting heads of 4-, 5- venturi mixing sections, 6- mixing chambers, 7- Fuel gas inlet, 8- air elbows, 9- air intakes, 10- peep holes, 11- ultraviolets fire inspection device.
Embodiment
In order to deepen to understanding of the present utility model, the utility model is done further below in conjunction with drawings and examples It is described in detail, the embodiment is only used for explaining the utility model, and the scope of protection of the utility model is not formed and limited.
Embodiment:As shown in figure 1, a kind of premixed high-speed jet burner, including burner block 1, Venturi tube and air The three parts of elbow 8, burner block 1 are connected to one end of Venturi tube, and the other end of Venturi tube is connected to air elbow 8, literary mound In the surface of pipe and the connecting portion of burner block 1 be provided with igniter 3, igniter 3 is embedded in Venturi tube and burner block 1 Interior, one end that igniter 3 is stretched into burner block 1 is connected with steady fire-fighting first 4, and Venturi tube is divided into venturi mixing section 5 and mixed Air chamber 6, venturi mixing section 5 are connected with burner block 1, and mixing chamber 6 is connected with air elbow 8, and the side wall of mixing chamber 6 is provided with combustion Gas entrance 7, air elbow 8 use " L " shape structure design, and one end of air elbow 8 is connected to mixing chamber 6, air elbow 8 it is another One end is opened wide be used as air intake 9 downwards, and the both sides up and down of burner block 1 are provided with two water jackets 2 of positional symmetry, in water jacket 2 Cooling water circulation cooling down is carried out to the high temperature position of burner block 1, the bent portion of air elbow 8 is provided with peep hole 10, Ultraviolet fire inspection device 11 is provided with peep hole 10, the connection between ultraviolet fire inspection device 11 and peep hole 10 is using dismountable Connected mode.
In the present embodiment, the angle of flare α of burner block 1 be 3 °, can so cause excess air coefficient be 1, energy-conservation it is same When NO caused by the burning that substantially reducesx, steady fire-fighting first 4 has a trench structure, builds combustion circumfluence but also is ignition power Pole provides negative pole, and steady fire-fighting first 4 provides safeguard together with burner block 1 for the flame holding of burner, it is ensured that premixed high speed Jet combustion device still keeps the stable burning of flame under 180m/s mixed airflow speed.
In the present embodiment, the connection between burner block 1 and the venturi mixing section 5 of Venturi tube is connected by screw bolts, Connection between the mixing chamber 6 and air elbow 8 of Venturi tube is connected by screw bolts, and the connection between water jacket 2 and burner block 1 is adopted It is connected with.
The operation principle of the present embodiment:The fuel gas for entering burner from fuel gas inlet 7 fires with entering from air intake 9 The combustion air of burner is mixed in mixing chamber by certain air-fuel ratio, is lighted by high-tension ignition electrode, burning mixture is rapid Burning, volume acutely expand, and form high speed spurting thermal-flame, similar to gas-welding flame, have the combustion-supporting burning of regular air The flame intensity and temperature that device is unable to reach, to improve service life, the outside of burner block 1 is provided with water jacket 2, following in water jacket 2 Ring cooling water can absorb waste heat, prevent first 4 scaling loss of steady fire-fighting;Burner block 1 is resistance to more than 1700 DEG C using refractory temperature High temperature material is made, and the burner block 1 in red-hot state plays a part of stable flame simultaneously;At air and combustible gas inlet Be provided with current limliting porous plate, by system design can automatically adjust air, combustion gas proportioning;Up to 180m/s gaseous mixture Flow velocity degree, there is very strong impulsive force to metalliferous material, promote gas stream in the stove strong disturbance, heat transfer effect is improved so as to reach Rate, improve and melt efficiency, energy-saving purpose.
Steady fire-fighting first 4 has unique trench structure, builds combustion circumfluence but also provides negative pole for ignitor. Steady flame shower nozzle provides safeguard together with burner block 1 for the flame holding of burner, it is ensured that premixed high-speed jet burner exists The stable burning of flame is still kept under 180m/s mixed airflow speed.
General principle of the present utility model, main features and advantages have been shown and described above.The technical staff of the industry It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope By appended claims and its equivalent thereof.

Claims (7)

1. a kind of premixed high-speed jet burner, it is characterised in that including burner block, Venturi tube and three, air elbow Point, the burner block is connected to one end of the Venturi tube, and the other end of the Venturi tube is connected to air elbow, described The surface of Venturi tube and the connecting portion of the burner block is provided with igniter, and the igniter is embedded in the venturi In pipe and the burner block, one end that the igniter is stretched into the burner block is connected with steady fire-fighting head, the venturi Pipe is divided into venturi mixing section and mixing chamber, and the venturi mixing section is connected with the burner block, the mixing chamber with it is described Air elbow is connected, and the side wall of the mixing chamber is provided with fuel gas inlet, and the air elbow uses " L " shape structure design, institute The one end for stating air elbow is connected to the mixing chamber, and the other end of the air elbow, which opens wide downwards, is used as air intake.
2. premixed high-speed jet burner according to claim 1, it is characterised in that the both sides up and down of the burner block It is provided with two water jackets of positional symmetry.
3. premixed high-speed jet burner according to claim 2, it is characterised in that the bending section of the air elbow Set up separately and be equipped with peep hole, be provided with ultraviolet fire inspection device at the peep hole, ultraviolet fire inspection device and the peep hole it Between connection using being detachably connected.
4. premixed high-speed jet burner according to claim 3, it is characterised in that the burner block angle of flare α is 3°。
5. premixed high-speed jet burner according to claim 4, it is characterised in that the steady fire-fighting head has groove profile Structure.
6. premixed high-speed jet burner according to claim 5, it is characterised in that the fuel gas inlet and the sky Gas porch is provided with current limliting porous plate.
7. the premixed high-speed jet burner according to claim any one of 2-6, it is characterised in that the burner block with Connection between the venturi mixing section of the Venturi tube is connected by screw bolts, the mixing chamber of the Venturi tube and the sky Connection between gas elbow is connected by screw bolts, and the connection between the water jacket and the burner block is connected by screw bolts.
CN201720068057.4U 2017-01-20 2017-01-20 A kind of premixed high-speed jet burner Active CN206669731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720068057.4U CN206669731U (en) 2017-01-20 2017-01-20 A kind of premixed high-speed jet burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720068057.4U CN206669731U (en) 2017-01-20 2017-01-20 A kind of premixed high-speed jet burner

Publications (1)

Publication Number Publication Date
CN206669731U true CN206669731U (en) 2017-11-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107803125A (en) * 2017-12-15 2018-03-16 上海梵坤环保科技发展有限公司 String data Venturi tube combines gas-liquid fusing device
CN110805902A (en) * 2019-10-29 2020-02-18 王伟 Gas welding nozzle capable of controlling size of nozzle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107803125A (en) * 2017-12-15 2018-03-16 上海梵坤环保科技发展有限公司 String data Venturi tube combines gas-liquid fusing device
CN107803125B (en) * 2017-12-15 2023-08-22 上海梵坤环保科技发展有限公司 Combined gas-liquid fusion device of serial venturi tube
CN110805902A (en) * 2019-10-29 2020-02-18 王伟 Gas welding nozzle capable of controlling size of nozzle

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180207

Address after: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China

Co-patentee after: Xuzhou Combustion Control Research Institute Co., Ltd.

Patentee after: XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD.

Address before: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China

Patentee before: XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD.

TR01 Transfer of patent right